added logout

handlers.go

@@ -24,3 +24,11 @@ func loginHandler(w http.ResponseWriter, req *http.Request) {
 	}
 	T("login.html").Execute(w, map[string]interface{}{})
 }
+
+func logoutHandler(w http.ResponseWriter, req *http.Request) {
+    session, _ := store.Get(req, "creds")
+    delete(session.Values, "logged in")
+    session.Save(req, w)
+    http.Redirect(w, req, "/", http.StatusSeeOther)
+    return
+}

main.go

@@ -29,6 +29,7 @@ func main() {
 	} else {
 		http.HandleFunc("/", homeHandler)
 		http.HandleFunc("/login", loginHandler)
+		http.HandleFunc("/logout", logoutHandler)
 		http.Handle("/s/", http.StripPrefix("/s/",
 			http.FileServer(http.Dir(*static_files))))
 		if err := http.ListenAndServe(*addr, nil); err != nil {